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| tear; lacrimal apparatus (duct, sac, or gland) |
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| horny tissue; hard; cornea |
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| tympanic membrane (eardrum) |
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| tube (usually fallopian or eustachian [auditory] tubes) |
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| hardening; sclera (white of eye) |
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| prolapse, downward displacement |
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| abnormal condition; increase (used primarily with blood cells) |
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| tube (usually fallopian or eustachian [auditory] tubes) |
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| involuntary contraction, twitching |
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| congenital deficiency in color perception; AKA: color blindness |
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| defective curvature of the cornea and lens, which causes light rays to focus unevenly over the retina rather than being focused on a single point, resulting in a distorted image |
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| degenerative disease in which the lens of the eye becomes progressively cloudy, causing decreased vision |
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| inflammation of the conjunctiva that can be caused by bacteria, allergy, irritation, or a foreign body; AKA: pinkeye |
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| retinal damage marked by aneurysmal dilation and bleeding of blood vessels or the formation of new blood vessels, causing visual changes |
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| condition in which aqueous humor fails to drain properly and accumulates in the anterior chamber of the eye, causing elevated intraocular pressure (IOP) |
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| most common form of glaucoma that results from degenerative changes that cause congestion and reduce flow of aqueous humor through the canal of Schemm |
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| type of glaucoma caused by an anatomically narrow angle between the iris and the cornea, which prevents outflow of aqueous humor from the eye into the lymphatic system, causing a sudden increase in IOP |
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| small, purulent inflammatory infection of a sebaceous gland of the eyelid; AKA: sty |
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| breakdown of the tissues in the macula, resulting in loss of central vision |
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| unusual intolerance and sensitivity to light |
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| separation of the retina from the choroid, which disrupts vision and results in blindness if not repaired |
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| muscular eye disorder in which the eyes turn from the normal position so that they deviate in different directions |
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| strabismus in which there is deviation of the visual axis of one eye toward that of the other eye, resulting in diplopia; AKA: cross-eye and convergent strabismus |
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| strabismus in which there is deviation of the visual axis of one eye away from that of the other eye, resulting in diploplia; AKA: wall-eye and divergent strabismus |
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| benign tumor that develops from the eighth cranial (vestibulocochlear) nerve and grows within the auditory canal |
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| decreased ability to perceive sounds compared to what the individual or examiner would regards as normal |
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| total deafness (complete hearing loss) |
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| hearing loss due to an impairment in the transmission of sound because of an obstruction of the ear canal or damage to the eardrum or ossicles |
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| rare disorder of unknown etiology within the labyrinth of the inner ear that can lead to a progressive loss of hearing |
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| inflammation of the middle ear, which is commonly the result of an upper respiratory infection (URI) |
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| noninfectious inflammation of the middle ear with accumulation of serum (clear fluid) |
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| inflammation of the middle ear with pus formation |
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| progressive deafness due to ossification in the bony labyrinth of the inner ear |
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| impairment of hearing that results from the aging process |
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| ringing or tinkling noise heard constantly or intermittenly in one or both ears, even in a quiet environment |
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| sensation of moving around in space or a feeling of spinning or dizziness |
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| procedure used to detect glaucoma that measures intraocular pressure by determining the resistance of the eyeball to indentation by an applied force |
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| standard eye examination to determine the smallest letters a person can read on a Snellen chart, or E chart, at a distance of 20 feet |
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| test that measures hearing acuity at various sound frequencies |
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| visual examination of the external auditory canal and the tympanic membrane using an otoscope |
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| otoscopic procedure that assesses the ability of the tympanic membrane to move in response to a change in air pressure |
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| hearing acuity test performed with a vibrating tuning fork that is first placed on the mastoid process and then in front of the external auditory canal to test bone and air condition |
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| excision of a lens affected by a cataract |
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| extracapsular cataract extraction (ECCE) |
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| excision of the anterior segment of the lens capsule along with the lens, allowing for the insertion of an intraocular lens implant |
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| excision of the lens by ultrasonic vibrations that break the lens into tiny particles, which are suctioned out of the eye; AKA: small incision cataract surgery |
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| surgical transplantation of a donor cornea (from a cadaver) into the eye of a recipient; AKA: keratoplasty |
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| excision of a portion of the iris used to relieve intraocular pressure in patients with glaucoma |
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| electronic transmitter surgically implanted into the cochlea of a deaf person to restore hearing |
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| surgical repair of a perforated eardrum with a tissue graft; AKA: tympanoplasty |
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